Hyung Oh Ban

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Yongin, KR

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Patents Grantslast 30 patents

Information Patent Grant
Ultra high-strength spring steel
- Patent number 10,494,705
- Issue date Dec 3, 2019
- Hyundai Motor Company
- Sung Chul Cha
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
ULTRA HIGH-STRENGTH SPRING STEEL
- Publication number 20170159160
- Publication date Jun 8, 2017
- Hyundai Motor Company
- Sung Chul Cha
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
CARBURIZED STEEL AND METHOD OF MANUFACTURING THE SAME
- Publication number 20170044636
- Publication date Feb 16, 2017
- Kia Motors Corporation
- Jae Hong Park
- C21 - METALLURGY OF IRON
Information Patent Application
STEEL-BASE SINTERING ALLOY HAVING HIGH WEAR-RESISTANCE FOR VALVE SE...
- Publication number 20110284792
- Publication date Nov 24, 2011
- KOREA SINTERED METAL CO., LTD.
- Jong Myung Kim
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...